Seiko Cal. 6231 - 191

This Solar model from 1981 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-14fe398ce15e]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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